Home / 286,450.56-395,349.12-238,628.16

Finding the Fourth Proportional to 286,450.56, 395,349.12 and 238,628.16

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Solution

The fourth proportional to 286,450.56, 395,349.12 and 238,628.16 is: 329,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,450.56 : 395,349.12 = 238,628.16 : x
  2. Step 2: Convert to fraction form
    286,450.56/395,349.12 = 238,628.16/x
  3. Step 3: Cross multiply
    286,450.56x = 395,349.12 × 238,628.16
  4. Step 4: Simplify right side
    286,450.56x = 94,341,433,063.22
  5. Step 5: Solve for x
    x = 94,341,433,063.22/286,450.56
  6. Step 6: Final answer
    x = 329,346.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.